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SoEnvironmentElement.h
00001 #ifndef COIN_SOENVIRONMENTELEMENT_H
00002 #define COIN_SOENVIRONMENTELEMENT_H
00003 
00004 /**************************************************************************\
00005  *
00006  *  This file is part of the Coin 3D visualization library.
00007  *  Copyright (C) by Kongsberg Oil & Gas Technologies.
00008  *
00009  *  This library is free software; you can redistribute it and/or
00010  *  modify it under the terms of the GNU General Public License
00011  *  ("GPL") version 2 as published by the Free Software Foundation.
00012  *  See the file LICENSE.GPL at the root directory of this source
00013  *  distribution for additional information about the GNU GPL.
00014  *
00015  *  For using Coin with software that can not be combined with the GNU
00016  *  GPL, and for taking advantage of the additional benefits of our
00017  *  support services, please contact Kongsberg Oil & Gas Technologies
00018  *  about acquiring a Coin Professional Edition License.
00019  *
00020  *  See http://www.coin3d.org/ for more information.
00021  *
00022  *  Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
00024  *
00025 \**************************************************************************/
00026 
00027 #include <Inventor/elements/SoReplacedElement.h>
00028 #include <Inventor/SbColor.h>
00029 
00030 class COIN_DLL_API SoEnvironmentElement : public SoReplacedElement {
00031   typedef SoReplacedElement inherited;
00032 
00033   SO_ELEMENT_HEADER(SoEnvironmentElement);
00034 public:
00035   static void initClass(void);
00036 protected:
00037   virtual ~SoEnvironmentElement();
00038 
00039 public:
00040 
00041   enum FogType {
00042     NONE,
00043     HAZE,
00044     FOG,
00045     SMOKE
00046   };
00047 
00048   virtual void init(SoState * state);
00049 
00050   static  void set(SoState * const state, SoNode * const node,
00051                    const float ambientIntensity, const SbColor & ambientColor,
00052                    const SbVec3f & attenuation, const int32_t fogType,
00053                    const SbColor & fogColor, const float fogVisibility,
00054                    const float fogStart = 0.0f);
00055   static  void get(SoState * const state,
00056                    float & ambientIntensity, SbColor & ambientColor,
00057                    SbVec3f & attenuation, int32_t & fogType,
00058                    SbColor & fogColor, float & fogVisibility,
00059                    float & fogStart);
00060 
00061   static float getAmbientIntensity(SoState * const state);
00062   static float getFogVisibility(SoState * const state);
00063   static const SbVec3f & getLightAttenuation(SoState * const state);
00064   static const SbColor & getAmbientColor(SoState * const state);
00065   static const SbColor & getFogColor(SoState * const state);
00066   static int32_t getFogType(SoState * const state);
00067 
00068   static void getDefault(float & ambientIntensity,
00069                          SbColor & ambientColor, SbVec3f & attenuation,
00070                          int32_t & fogType, SbColor & fogColor,
00071                          float & fogVisibility, float & fogNear);
00072 
00073   virtual void print(FILE * file) const;
00074 
00075 protected:
00076 
00077   virtual void setElt(SoState * const state,
00078                       const float ambientIntensity,
00079                       const SbColor & ambientColor,
00080                       const SbVec3f & attenuation,
00081                       const int32_t fogType,
00082                       const SbColor & fogColor,
00083                       const float fogVisibility,
00084                       const float fogNear);
00085 
00086   float ambientIntensity;
00087   SbColor ambientColor;
00088   SbVec3f attenuation;
00089   int32_t fogType;
00090   SbColor fogColor;
00091   float fogVisibility;
00092   float fogStart;
00093 };
00094 
00095 #endif // !COIN_SOENVIRONMENTELEMENT_H

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